| Term: | PDS4 |
| Definition: |
The Planetary Data System, version 4 (PDS4)standard provides guidelines on how a data producer should construct a dataset suitable for long-term archiving. The standard contains a number ofrequirements in terms of dataset structure and documentation that shouldallow for any PDS compliant data set to be used and understood in the longterm. Each PDS4 bundle consists of two files, one containing the data andthe other an eXtensible Markup Language (XML) file containing the label.PDS4 recognises four base data structures, array, table, parsable bytestream and encoded byte stream with arrays and tables most commonly in use.The PDS4 standard is described at:https://pds.jpl.nasa.gov/datastandards/documents/current-version.shtml. ThePDS4 archiving standard has been required for data archives from NASA-fundedplanetary missions and for small data archives since 2011. |